I filled in each labeled square for you and wrote each percentage to the right of each square with the genotype of the last two.
Enzymes are used to speed up reactions. They’re also called catalysts and their main purpose is as a speed boost for reactions
It acts as biological catalysts, which can speed up the chemical reactions, it can fit substrates into its active site and produce a product, but the enzyme shape is not changed and it can be reused. just unless the enzyme meets high temperature or extreme pH values, which will denature them
